U.S. patents available from 1976 to present.
U.S. patent applications available from 2005 to present.

Icon_funbox Celebrity Inventors

Actor Marlon Brando has four patents, all named "Drumhead tensioning device and method."

Newsletter  PatentStorm News

Make the Most of Our Site

See this month's Top Inventors and Most Cited Patents.

Stay on top of the latest innovations by subscribing to an RSS feed.

Registered users: Manage your profile.

 

Class 400/195 - Mobius strip


Subclass of Class 400 - Typewriting machines
Definition: Subject matter wherein the ribbon is a one-sided surface
No. of patents: 39
Last issue date: 02/24/2004


NumberTitleIssue Date
6695495Constant density printer system
An ink density closed loop control system for an ink ribbon of an impact printer having a reservoir roller formed of an ink absorbent material with at least one or more channels within the reservoir roller fluidly connected to a pump and ink supply. A tra...
02/24/2004
6017158Apparatus for reinking the ribbon of a printer ribbon cartridge
An improved apparatus for reinking a ribbon of a printer ribbon cartridge provides a selected reinking pattern across the width of the ribbon. A porous member in contact with a source of ink has a height equal to a distance between a first edge of the rib...
01/25/2000
5618118Impact printer and ribbon cassette
A printer and ribbon cassette with gears for transmitting power from the drive motor of the printer to the ribbon cassette. Guides are provided for guiding the ribbon cassette in a direction perpendicular to the rotational axis of the gears, so that the r...
04/08/1997
5478160Multi-ply printer ribbon cartridge and method
A point of sale printer ink cartridge includes a mobius loop endless ribbon with at least two ply of woven twisted nylon fabric sealed along lengthwise edges with or without a third ink absorbing layer interposed between the two ply of nylon yielding syne...
12/26/1995
5114254Ribbon cassette having means to feed both fabric and film ribbons
A ribbon cassette used for both a fabric ribbon and a film ribbon has a first slit through which a fabric ribbon is passed and a second slit through which a film ribbon is passed, the slits being provided in a wall member which partitions a downstream end...
05/19/1992
5062725Typewriter or printer ribbon and method for its manufacture
A typewriter or printer ribbon with separate inked strips which extend in the longitudinal direction of the ribbon, and which are applied on a common, homogeneous support film. The inked strips are disposed on the front and back of the support film, perpe...
11/05/1991
5051010Printer and cartridge assembly therefor
A printer has one or more tractor sets for continuously feeding paper along first and second paper paths. One tractor set may be pivoted between positions for feeding paper from the front or bottom of the printer along the first paper path. Where one trac...
09/24/1991
5030022Ribbon cartridge with integral re-inker
A re-inkable ribbon cartridge for impact computer printers featuring duel re-inking rollers of sufficiently small diameter so as to insure rapid rotational speed, ensuring that centrifugal force will cause the ink to migrate to the outer roller surface. A...
07/09/1991
4988224Universal ribbon cartridge for high-speed printers
A ribbon movement controlling cartridge includes a smudge guard/ribbon guide which contains exposed ribbon in a fixed stationary position during cartridge transportation and storage. When the guide is engaged with a printhead, it releases ribbon passage t...
01/29/1991
4968161Ribbon cassette for reinking only one longitudinal half of a Mobius ribbon
An endless inked ribbhon provided in a case is twisted in the form of a Mobius band. An inverting device is provided in the case for inverting the inked ribbon, and a reinking device is provided adjacent the inverting device for supplying ink to a lower h...
11/06/1990
4940345Ink cassette and ink transfer roll therefor
In a cassette for a printer unit, comprising an endless ribbon to be provided with ink, means are provided for intermittently applying ink to said ribbon. These means for applying ink comprise a freely movable wheel enclosed between the ink source and the...
07/10/1990
4758105Ribbon cassette with guide mechanism
A ribbon stabilizer or guide member is provided in a ribbon reversing section of a ribbon cassette to prevent adverse twisting of the ribbon and to correct irregular twisting thereof and to maintain the normal reverse action or operation of the ribbon in ...
07/19/1988
4630948Inked ribbon cartridge
The inked ribbon cartridge comprises an endless ribbon, an elongated housing for the ribbon, a first laterally extending finger at on end of the housing, a longitudinally slidable arm at the other end of the housing carrying a second finger disposed gener...
12/23/1986
4616942Ribbon cassette with re-inking mechanism
A ribbon cassette with re-inking mechanism includes a removable ink supply tank having a low density ink element and a high density ink element, and an ink transfer roller engaging the high density ink element and having an uneven surface on the periphery...
10/14/1986
4589789Ribbon storage and transport mechanism
Inked ribbon storage and transport mechanism for electronic printers for economical ribbon positioning and inversion....
05/20/1986
4493572Long-life inked-ribbon cassette
A long-life inking cassette is provided wherein an inkable ribbon is pumped into a ribbon storage zone by a pair of textured nip rollers. The ribbon is drawn from storage, rotated 180°, re-inked, and passed at an angle and under tension past a print head...
01/15/1985
4449835Printing device
A printing device comprises a motor, a conversion mechanism for converting rotation of the motor into first and second outputs, a selection mechanism for alternately supplying the first and second outputs, a type member for being supplied with the first o...
05/22/1984
4405247Fully self-contained disposable cartridge for inked ribbons and the like
A lightweight, inexpensive and yet highly reliable, fully self-contained cartridge for inked ribbons having a drive assembly which "stuffs" the inked ribbon into the ribbon storage region in a full-fan-fold fashion. The storage region is substantially U-s...
09/20/1983
4388006Printing ribbon cartridge
An improved, U-shaped printing ribbon cartridge adapted for use with either film or woven printing ribbons of widely varying thicknesses. The printing ribbon feeds from one terminal end of the cartridge, across the open mouth of the "U" wherein it may be ...
06/14/1983
4383774Cartridge having ribbon inverting means
A ribbon cartridge for use in a high speed band printer includes a body having a ribbon storage compartment where the ribbon is contained in a multiplicity of serpentine folds. The body has a ribbon inlet and an outlet end and guide arms extend from the i...
05/17/1983
4351619Ink ribbon cassette
A continuous ink ribbon cassette for, for example, a serial printer in which a ribbon is kept in stacked loops in a vertical housing and is twisted on leaving and re-entering the housing so as to bring it into a vertical plan as it passes a print head. Th...
09/28/1982
4304496Ribbon guiding and re-inking means for data printers and the like
A printing ribbon guiding and re-inking means is positioned to guide a continuous looped printing ribbon through a 180° twist between the exit and entry points of a ribbon cartridge. The guiding and re-inking means includes a twist-locator or arrestor co...
12/08/1981
4293234Ribbon cartridge for band printer
A ribbon cartridge is detachably connectable to a high speed band printer. The cartridge includes a body which has a ribbon storage compartment where the ribbon is contained in a multiplicity of serpentine folds. The body has a ribbon inlet end and outlet...
10/06/1981
4279522High speed printer cartridge
A cartridge which contains an inked ribbon for use in a high speed printer such as a wire matrix printer and typically driven by a capstan of the printer. The ribbon is arranged in the form of a mobius loop and the cartridge is constructed in a minimal nu...
07/21/1981
4273453Selectively engageable ribbon re-inking device for ink ribbon cartridge
An ink ribbon unit for printers in which the inking roller is selectively brought into engagement with the ribbon thereby to avoid over-inking....
06/16/1981
4247209Printer ribbon cartridge having lap spliced ribbon and reinking means
A printer ribbon cartridge arranged to house an endless band of ribbon formed in a mobius loop which enables different halves of the width of the ribbon to be presented for printing during successive cycles of the ribbon past a printing position. The ends...
01/27/1981
4232976Ribbon cartridge for printing machines and mechanism for feeding the ribbon
A cartridge for an inked ribbon for printing machines, in particular wire printers, comprises a container and a pair of rollers for the feeding of the ribbon. The container comprises a storage zone, in which an inked ribbon is disposed in loops and is dis...
11/11/1980
4227820Endless ink-ribbon cartridge
An endless ink-ribbon cartridge for printing, wherein the ribbon is formed into a Mobius loop, and wherein the ribbon is inverted in one arm of the cartridge by a pair of deflecting elements in the ribbon path....
10/14/1980
4213715Ink ribbon cartridge having a replaceable ribbon magazine
A cassette-type ink ribbon device for a printer wherein the inked ribbon is carried in a throw-away magazine operatively disposed within and wholly independent of the cassette body. The cassette body carries all of the drive components and, hence, replace...
07/22/1980
4161270Continuous loop stuffer cartridge having improved Moebius loop tensioning device
A Ribbon Stuffer Cartridge having improved Moebius loop device includes a ribbon reservoir coupled to a ribbon input port and a ribbon output port, the ribbon output port having a planar triangular-shaped device therein. A major portion of a continuous loop ri...
07/17/1979
4130367Cartridge for an endless inked ribbon for printing office machines
A cartridge for an endless inked ribbon for printing office machines comprises a container in which are disposed separating elements which define a storage zone. An endless inked ribbon is disposed in loops and is distributed at random in the storage zone...
12/19/1978
4074800Endless printer ribbon cartridge apparatus
An endless ribbon printer cartridge apparatus in which a cartridge housing is provided with improved ribbon guides for directing the ribbon along a predetermined path and with wrapping members molded into the casing thereby eliminating wrapping rollers. A...
02/21/1978
4071132Endless inked ribbon cartridge
An endless printer ribbon cartridge for use in printing mechanisms for computer terminals, and the like, has a housing for mounting an endless wrapped ribbon there inside. The endless ribbon is fed from the inside of the wrapped portion over a predetermin...
01/31/1978
4051944Capstan driven, endless printer ribbon cartridge
A capstan driven, endless printer ribbon cartridge comprising an endless ribbon and a flat housing formed of a planar base and an enclosing planar top with downwardly projecting edge walls is disclosed. The housing includes an appendage within which a gui...
10/04/1977
3995731Multi-ribbon cassette and ribbon drive
A cassette contains a pair of endless printing ribbons on separate spools, each ribbon having an independent drive with a mechanism provided to enable shifting from one drive to the other, thereby permitting selection of one or the other ribbon....
12/07/1976
3993182Endless inked ribbon cartridge
An endless inked ribbon printer cartridge for use in printing mechanisms for computer terminals, and the like, having a housing with a pair of protruding arms. A pair of spaced rollers are mounted in said housing and an endless inked ribbon wrapped around...
11/23/1976
3989132Ribbon storage and transport mechanism
The object of the invention is to provide a means of circulating inked ribbon into and out of a cartridge where it has been stored as a compact mass of ribbon folds. Means must be provided to prevent this mass of ribbon from jamming the exit port and form...
11/02/1976
3981387Method for inking preassembled ribbon cartridges
A method which includes loading a length of uninked ribbon into a ribbon cartridge having a support area where a portion of the ribbon is supported and exposed; positioning an inking member and the portion of the ribbon exposed at said support area in ope...
09/21/1976
3977512Ribbon cassette and ribbon advance
A cassette for a printer for supplying mobius loop ink ribbon to the print head which includes a means for inking the ribbon as it is returned to the cassette and a means for storing the ribbon by randomly stuffing the ribbon in convolutions therein. The ...
08/31/1976
 
Sign InRegister
Username  
Password   
forgot password?